<?php
//模型
class UserDietsCommentModel extends MY_Model {
	function __construct(){
		parent::__construct();
		$this->table = 'user_diets_comment';
	}
	//分页列表
	function get_list($arr=array(),$page=1,$size=10){		
		$sql  = "select * from ".$this->db->dbprefix.$this->table." LIMIT ".($page-1)*$size .",{$size}";
		$query = $this->db->query($sql);
		$res = $query->result_array();		
		
		$sql  = "select count(*) as num from ".$this->db->dbprefix.$this->table;
		$query = $this->db->query($sql);
		$row = $query->row_array();		
		return array('list'=>$res,'count' =>$row['num']);		
	}
	//全部列表
	function get_lists($id=0,$num=10){
		$where = " where 1 ";
		if($id){
			$where .= " and c.did='{$id}' ";
		}
		$sql  = "select c.*,u.headimg,u.nickname from ".$this->db->dbprefix.$this->table." as c left join ".$this->db->dbprefix."coach as u on c.cid=u.id ".$where." limit {$num}";
		$query = $this->db->query($sql);
		$res = $query->result_array();
		return $res;		
	}
	//详情
	function get_info($id){
		$sql  = "select * from ".$this->db->dbprefix.$this->table." where id='{$id}' ";
		$query = $this->db->query($sql);
		$row = $query->row_array();		
		return $row;
	}
	//唯一条件获取详情
	function unique_get_info($field,$value){
		$sql  = "select * from ".$this->db->dbprefix.$this->table." where {$field}='{$value}' ";
		$query = $this->db->query($sql);
		$row = $query->row_array();		
		return $row;
	}
	
	
}

